TM 5-3820-256-10 Table 2-7.  Water/Foam Injection Preventive Maintenance Checks and Services ITEM INTERVAL Item to be Procedures Equipment is NO. Inspected Check for and have repaired not ready/ B  D  A  W  M or adjusted as necessary. available if: 1 X Reservoir Check water level in sight glass. Add water as required. 2 X Foam container Check chemical level in container. Add chemical as required. 3 X X Hydraulic motor Check lines and fittings for leaks. 4 X X Drive belt, motor Check for cracks and fraying. 5 X Hydraulic oil piping Check lines for leaks. 6 X Water injection pump Check lubricant level.  Add as recommended. 7 X Foam pulse pump Check for leaks. Table 2-8.  Force/Feed Lubricator Preventive Maintenance Checks and Services ITEM INTERVAL Item to be Procedures Equipment is NO. Inspected Check for and have repaired not ready/ B  D  A  W  M or adjusted as necessary. available if: I X Reservoir Check lubricant level in sight glass. Add lubricant as required. 2 X Lubricator Adjust the flow of lubricant into air line during air drilling. 3 X Lines and fittings Check for leaks. Table 2-9.  Break-out Assembly Preventive Maintenance Checks and Services ITEM INTERVAL Item to be Procedures Equipment is NO. Inspected Check for and have repaired not ready/ B  D  A  W  M or adjusted as necessary. available if: 1 X  X Break-out tongs Check tong dies for dirt accumulation or wear.  Clean as required.  Notify unit maintenance for replacement. X Check wire rope for fraying; check rope clips for loose nuts.  Notify unit maintenance for repair. 2 X Hydraulic cylinder, lines Check for leaks at hose connections. and fittings Check cylinder for leakage past the piston rod. 2-29